Trachycystis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Charopidae
Subfamily:	Trachycystinae
Genus:	Trachycystis
Type species
Helix bisculpta Benson, 1851
Synonyms
Helix (Pella) E. von Martens, 1860 Helix (Trachycystis) Pilsbry, 1893 Pella E. von Martens, 1860

Trachycystis is a genus of small air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Charopidae.^[1]

Species within the genus Trachycystis include:^[2]

• Trachycystis abyssinica (Jickeli, 1874)
• Trachycystis bathycoele (Melvill & Ponsonby, 1892)
• Trachycystis bernardinae Connolly, 1925
• Trachycystis bifoveata Connolly, 1932
• Trachycystis bisculpta (Benson, 1851)
• Trachycystis chancogneae Pickford, 2019
• Trachycystis clifdeni Connolly, 1932 (vernacular name: Dlinza Forest pinwheel)^[3]
• Trachycystis colorama
• Trachycystis contabulata Connolly, 1932
• Trachycystis contrasta Sirgel, 1980
• Trachycystis crudieri Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis falconi Connolly, 1939
• Trachycystis felina Connolly, 1932
• Trachycystis ferarum Connolly, 1932
• Trachycystis fossula Connolly, 1925
• Trachycystis franzi Blume, 1959
• Trachycystis gemmascabra Connolly, 1939
• Trachycystis glanvilliana (Ancey, 1890)
• Trachycystis glebaria Melvill & Ponsonby, 1903
• Trachycystis haygarthi (Melvill & Ponsonby, 1899)
• Trachycystis hoperni Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis igembiensis Connolly, 1925
• Trachycystis iredalei Preston, 1912
• Trachycystis jucunda Connolly, 1929
• Trachycystis kermadeci Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis kincaidi Connolly, 1932
• Trachycystis lamellifera (E.A.Smith, 1903)
• Trachycystis lamellosa K.L.Pfeiffer, 1952
• Trachycystis langi van Bruggen, 1994
• Trachycystis laticostata Melvill & Ponsonby, 1903
• Trachycystis legetetana Pickford, 2019
• Trachycystis leucocarina Sirgel, 1980
• Trachycystis liricostata (Melvill & Ponsonby, 1891)
• Trachycystis lunaris Connolly, 1939
• Trachycystis marcelini Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis masina Emberton & Griffiths, 2009
• Trachycystis mcbeani Connolly, 1932
• Trachycystis mcdowelli Connolly, 1922
• Trachycystis mediocris Connolly, 1939
• Trachycystis microscopica (F.Krauss, 1848)
• Trachycystis montissalinarum van Bruggen, 2002
• Trachycystis palaeokempi Pickford, 2019
• Trachycystis patera Melvill & Ponsonby, 1903
• Trachycystis placenta (Melvill & Ponsonby, 1899)
• Trachycystis proxima Connolly, 1939
• Trachycystis pura Connolly, 1922
• Trachycystis rariplicata (L.Pfeiffer, 1849)
• Trachycystis rivularis (F.Krauss, 1848)
• Trachycystis rubra Connolly, 1925
• Trachycystis rudicostata Connolly, 1922
• Trachycystis sabuletorum (Benson, 1851)
• Trachycystis somersetensis (Melvill & Ponsonby, 1893)
• Trachycystis soror Connolly, 1922
• Trachycystis subpinguis Connolly, 1922
• Trachycystis teretiuscula Melvill & Ponsonby, 1897
• Trachycystis tollini (Benson, 1856)
• Trachycystis ulrichi Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis venatorum Connolly, 1932
• Trachycystis vengoensis Connolly, 1922
• Trachycystis waterloti Fischer-Piette, Blanc, C.P., F.Blanc & Salvat, 1994
• Trachycystis wilmattae Pilsbry & Cockerell, 1933

• Bank, R. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16, 2017